*{
	margin: 0;
	padding: 0;
}
html,body{
	width: 100%;
	height: 100%;
}
.wrapper{
	width: 100%;
	height: 100%;
	background-image: url('./images/bg.jpg');
	background-size: 100% 100%;
}
.startBtn{
	width: 150px;
	height: 70px;
	background-image: url('./images/start.png');
	background-size: 100% 100%;
	position: absolute;
	right: 150px;
	top: 90px;
	cursor: pointer;
}
.bombNum{
	position: absolute;
	width: 100%;
	height: 100px;
	line-height: 100px;
	text-align: center;
	color: #333;
	font-size: 20px;
	font-weight: bolder;
	display: none;
}
.content{
	width: 500px;
	height: 500px;
	transform: perspective(800px) rotateX(45deg);
	margin: 0px 485px;
	border-top: 1px solid #B25F27;
	border-left: 1px solid #B25F27;
	box-shadow: 10px 10px 10px rgba(0,0,0,0.3);
	display: none;
}
.end{
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;
	background-color: rgba(0,0,0,0.4);
	display: none;
}
.endImg{
	width: 75%;
	height: 90%;
	background-size: 100% 100%;
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	margin: auto;
}
.close{
	width: 70px;
	height: 70px;
	position: absolute;
	right: 0;
	top: 0;
	background-image: url('./images/close.png');
	background-size: 100% 100%;
	cursor: pointer;
}
.block{
	width: 49px;
	height: 49px;
	border-right: 1px solid #B25F27;
	border-bottom: 1px solid #B25F27;
	box-shadow: 0 0 4px #333 inset;
	background-image: url('./images/land.jpg');
	background-size: 100% 100%;
	float: left;
}
.show{
	background-image: url('./images/bomb.jpg');
	background-size: 100% 100%;
}
.num{
	background: #ECD0A1;
	font-size: 18px;
	font-weight: bold;
	text-align: center;
	line-height: 40px;
}
.flag{
	background-image: url('./images/redFlag.jpg');
}